20202496

素因数分解:

$2^{10}\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:310

約数の個数: 44

約数和(自身を含む): 40980940

約数和(自身を除く): 20778444

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 181, 218, 256, 362, 436, 512, 724, 872, 1024, 1448, 1744, 2896, 3488, 5792, 6976, 11584, 13952, 19729, 23168, 27904, 39458, 46336, 55808, 78916, 92672, 111616, 157832, 185344, 315664, 631328, 1262656, 2525312, 5050624, 10101248, 20202496]

約数ペア:

[(1, 20202496), (2, 10101248), (4, 5050624), (8, 2525312), (16, 1262656), (32, 631328), (64, 315664), (109, 185344), (128, 157832), (181, 111616), (218, 92672), (256, 78916), (362, 55808), (436, 46336), (512, 39458), (724, 27904), (872, 23168), (1024, 19729), (1448, 13952), (1744, 11584), (2896, 6976), (3488, 5792)]